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docs(components): accuracy fixes from deep review (batch 2)

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TemplateEngine (alarm-script-ref ordering, native-alarm-sources not in
revision hash, composition cycle checks, 9-step pipeline), SiteRuntime
(alarm on-trigger scripts run with a restricted context; PreStart seeds
children from defaults before overrides arrive), DataConnectionLayer
(UnsubscribeAlarmsRequest stashed in Connecting), StoreAndForward (InFlight/
Delivered are dead enum values; notifications can park at 50 retries),
ExternalSystemGateway (CachedWrite returns void + enqueues directly; log levels).
This commit is contained in:
Joseph Doherty
2026-06-03 16:34:37 -04:00
parent c5fb02d640
commit 25bae4e43b
5 changed files with 31 additions and 23 deletions
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docs/components/DataConnectionLayer.md
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@@ -27,7 +27,7 @@ The DCL performs no alarm evaluation, no trigger evaluation, and no business log
| State | Behaviour |
|-------|-----------|
| `Connecting` | Stashes `SubscribeTagsRequest`, `WriteTagRequest`, `UnsubscribeTagsRequest`, `SubscribeAlarmsRequest`. Non-blocking for `BrowseNodeCommand` and `ReadTagValuesCommand` (immediate failure reply). |
| `Connecting` | Stashes `SubscribeTagsRequest`, `WriteTagRequest`, `UnsubscribeTagsRequest`, `SubscribeAlarmsRequest`, `UnsubscribeAlarmsRequest`. Non-blocking for `ReadTagValuesCommand` (immediate synchronous failure reply) and `BrowseNodeCommand` (async failure via `PipeTo` when the adapter is `IBrowsableDataConnection`; immediate synchronous reply otherwise). |
| `Connected` | Processes all message types. On entering, calls `Stash.UnstashAll()`. |
| `Reconnecting` | Stashes new subscribe/write requests; allows `UnsubscribeTagsRequest` and `UnsubscribeAlarmsRequest` through for cleanup on instance stop. |